As per international norms, the maximum permissible value of noise level in the industrial environment is _____________ decibels as measured at a distance of 1.5 meters from the source of noise?
Correct answer: B. 85
- A. 110
- B. 85
- C. 60
- D. 45
Explanation
An industrial noise exposure limit of about 85 dB is the commonly used international occupational-safety reference for an eight-hour working period. Higher levels such as 110 dB can cause rapid hearing damage.
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